MOA 2023-BLG-170

Event Parameters

Internal ID:gb3-R-4-31060
Discovery date:2023-05-04T16:20:56
RA:17:53:30.11
Dec:-33:07:45.47
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
66987 17:53:29.87 -33:07:42.19 16.03 ± 0.12 4.75
67011 17:53:29.93 -33:07:48.44 17.66 ± 0.10 4.79
67040 17:53:29.96 -33:07:46.31 15.62 ± 0.06 2.98
67085 17:53:30.07 -33:07:41.80 16.88 ± 0.07 3.40
67217 17:53:30.33 -33:07:48.61 19.57 ± 0.21 4.47
67285 17:53:30.45 -33:07:43.54 16.47 ± 0.08 3.98

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 99.99 ± 99.99 2.97
2460246.910 (2023-Oct-29.410) 22.34 ± 9.15 3.23
2460246.922 (2023-Oct-29.422) 99.99 ± 99.99 3.71
2460246.930 (2023-Oct-29.430) 99.99 ± 99.99 3.51
2460246.933 (2023-Oct-29.433) 20.01 ± 1.10 3.68

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2460076.56 ± 0.02 UT (2023-May-12.06)
tE =50.59 ± 0.98 days
u0 =0.0808 ± 0.0022
Ibase =19.18 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice